llvm-6502/lib/Target/Sparc/Sparc.h
Chris Lattner 7a4d2913ea treat conditional branches the same way as conditional moves (giving them
an operand that contains the condcode), making things significantly simpler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25840 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-31 06:56:30 +00:00

120 lines
4.0 KiB
C++

//===-- SparcV8.h - Top-level interface for SparcV8 representation -*- C++ -*-//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the entry points for global functions defined in the LLVM
// SparcV8 back-end.
//
//===----------------------------------------------------------------------===//
#ifndef TARGET_SPARCV8_H
#define TARGET_SPARCV8_H
#include <iosfwd>
#include <cassert>
namespace llvm {
class FunctionPass;
class TargetMachine;
FunctionPass *createSparcV8ISelDag(TargetMachine &TM);
FunctionPass *createSparcV8CodePrinterPass(std::ostream &OS,
TargetMachine &TM);
FunctionPass *createSparcV8DelaySlotFillerPass(TargetMachine &TM);
FunctionPass *createSparcV8FPMoverPass(TargetMachine &TM);
} // end namespace llvm;
// Defines symbolic names for SparcV8 registers. This defines a mapping from
// register name to register number.
//
#include "SparcV8GenRegisterNames.inc"
// Defines symbolic names for the SparcV8 instructions.
//
#include "SparcV8GenInstrNames.inc"
namespace llvm {
// Enums corresponding to SparcV8 condition codes, both icc's and fcc's. These
// values must be kept in sync with the ones in the .td file.
namespace V8CC {
enum CondCodes {
//ICC_A = 8 , // Always
//ICC_N = 0 , // Never
ICC_NE = 9 , // Not Equal
ICC_E = 1 , // Equal
ICC_G = 10 , // Greater
ICC_LE = 2 , // Less or Equal
ICC_GE = 11 , // Greater or Equal
ICC_L = 3 , // Less
ICC_GU = 12 , // Greater Unsigned
ICC_LEU = 4 , // Less or Equal Unsigned
ICC_CC = 13 , // Carry Clear/Great or Equal Unsigned
ICC_CS = 5 , // Carry Set/Less Unsigned
ICC_POS = 14 , // Positive
ICC_NEG = 6 , // Negative
ICC_VC = 15 , // Overflow Clear
ICC_VS = 7 , // Overflow Set
//FCC_A = 8+16, // Always
//FCC_N = 0+16, // Never
FCC_U = 7+16, // Unordered
FCC_G = 6+16, // Greater
FCC_UG = 5+16, // Unordered or Greater
FCC_L = 4+16, // Less
FCC_UL = 3+16, // Unordered or Less
FCC_LG = 2+16, // Less or Greater
FCC_NE = 1+16, // Not Equal
FCC_E = 9+16, // Equal
FCC_UE = 10+16, // Unordered or Equal
FCC_GE = 11+16, // Greater or Equal
FCC_UGE = 12+16, // Unordered or Greater or Equal
FCC_LE = 13+16, // Less or Equal
FCC_ULE = 14+16, // Unordered or Less or Equal
FCC_O = 15+16, // Ordered
};
}
static const char *SPARCCondCodeToString(V8CC::CondCodes CC) {
switch (CC) {
default: assert(0 && "Unknown condition code");
case V8CC::ICC_NE: return "ne";
case V8CC::ICC_E: return "e";
case V8CC::ICC_G: return "g";
case V8CC::ICC_LE: return "le";
case V8CC::ICC_GE: return "ge";
case V8CC::ICC_L: return "l";
case V8CC::ICC_GU: return "gu";
case V8CC::ICC_LEU: return "leu";
case V8CC::ICC_CC: return "cc";
case V8CC::ICC_CS: return "cs";
case V8CC::ICC_POS: return "pos";
case V8CC::ICC_NEG: return "neg";
case V8CC::ICC_VC: return "vc";
case V8CC::ICC_VS: return "vs";
case V8CC::FCC_U: return "u";
case V8CC::FCC_G: return "g";
case V8CC::FCC_UG: return "ug";
case V8CC::FCC_L: return "l";
case V8CC::FCC_UL: return "ul";
case V8CC::FCC_LG: return "lg";
case V8CC::FCC_NE: return "ne";
case V8CC::FCC_E: return "e";
case V8CC::FCC_UE: return "ue";
case V8CC::FCC_GE: return "ge";
case V8CC::FCC_UGE: return "uge";
case V8CC::FCC_LE: return "le";
case V8CC::FCC_ULE: return "ule";
case V8CC::FCC_O: return "o";
}
}
} // end namespace llvm
#endif